Which airport code represents San Juan, Puerto Rico?

The airport code for San Juan, Puerto Rico is SJU. This code is designated by the International Air Transport Association (IATA) and is widely used in travel and aviation contexts to represent Luis Muñoz Marín International Airport, which serves as the main airport in San Juan. Understanding airport codes is essential for flight attendants, as they are responsible for navigating flights, assisting passengers with their itinerary, and ensuring smooth travel experiences. The other options do not correspond to San Juan; SJD refers to San José del Cabo in Mexico, ISP is for Long Island MacArthur Airport in New York, and BMI is for Central Illinois Regional Airport in Bloomington-Normal, Illinois. Therefore, SJU is distinctly recognized as the airport code for San Juan.